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TECHNICAL REPORT Sea Ice Reports for the Season 2013-2014

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TECHNICAL REPORT Sea Ice Reports for the Season 2013-2014 TECHNICAL REPORT Sea ice reports for the season 2013-2014 ACE CRC Prepared by Dr Jan L Lieser, Dr Robert A Massom, Dr Petra Heil ANTARCTIC CLIMATE Antarctic Climate and Ecosystems Cooperative Research Centre 2014 & ECOSYSTEMS CRC Sea ice reports for the season 2013-2014 Prepared by: Dr Jan L Lieser ([email protected]), Dr Robert A Massom ([email protected]), Dr Petra Heil ([email protected]), Antarctic Climate and Ecosystems Cooperative Research Centre, April 2014 ISSN 2200-5498 (Print) ISSN 2200-5501 (Online) TR_ICE07_130405 The material in this report is based on data mainly provided by Polar View Antarctic Node and NASA. There are inherent uncertainties in the data. While every effort has been made to ensure the material in this report is accurate, Antarctic Climate and Ecosystems Cooperative Research Centre (ACE) provides no warranty, guarantee or representation that material is accurate, complete, up-to-date, non-infringing or fit for a particular purpose. The use of the material is entirely at the risk of the user. The user must independently verify the suitability of the material for their own use. To the maximum extent permitted by law, ACE, its participating organisations and their officers, employees, contractors and agents exclude liability for any loss, damage, costs or expenses whether direct, indirect, consequential including loss of profits, opportunity and third party claims that may be caused through the use of, reliance upon, or interpretation of the material in this report. © Antarctic Climate and Ecosystems Cooperative Research Centre 2014 This work is copyright. It may be reproduced in whole or in part for study or training purposes subject to the inclusion of an acknowledgement of the source, but not for commercial sale or use. Reproduction for purposes other than those listed above requires the written permission of the Antarctic Climate and Ecosystems Cooperative Research Centre. Cover photos: Jan L Lieser Citation: Lieser JL, Massom RA & Heil P 2014, Sea ice reports for the season 2013-2014, Antarctic Climate and Ecosystems Cooperative Research Centre, Hobart, Tasmania. Requests and enquiries concerning reproduction rights should be addressed to: The Manager Communications Antarctic Climate and Ecosystems Cooperative Research Centre University of Tasmania Private Bag 80 Hobart, 7001 Tasmania, Australia Tel: +61 3 6226 7888 Fax: +61 3 6226 2440 Email: [email protected] www.acecrc.org.au Established and supported under the Australian Government’s Cooperative Research Centres Program ACE CRC ANTARCTIC CLIMATE & ECOSYSTEMS CRC Australian Government Department of Sustainability, Environment, Water, Population and Communities Australian Antarctic Division The ACE CRC is a unique collaboration between its core partners the Australian Antarctic Division; CSIRO; University of Tasmania; Australian Government Department of Industry, Innovation, Climate Change, Science, Research and Tertiary Education; the Alfred Wegener Institute for Polar and Marine Research (Germany); and the National Institute of Water and Atmospheric Research Limited (New Zealand) and a consortium of supporting partners. SEA ICE REPORTS - 2013/2014 SEASON Executive summary: This document is a compilation of weekly sea ice reports for East Antarctica, including sub-weekly updates. The reports were prepared to support ship operations in the region during the 2013/2014 shipping season. They were primarily used as guidance for the Australian Antarctic program, but were partly provided to other Antarctic operators. In particular, the assistance operation for Akademik Shokalskiy, coordinated by the Australian Maritime Safety Authority (AMSA) after Christmas 2013, and Nathaniel B Palmer's Mertz Polynya and Totten Glacier voyage 2014 (29/01/2014 to 16/03/2014). Throughout the season, the focus of individual reports shifts with the main purpose of specific voyages of the Australian Antarctic research and supply vessel Aurora Australis. The Antarctic voyages of the 2013/2014 season were: No. Leave port Main Purpose Return V1 15/10/2013 Davis resupply, refuel, summer deployment and 07/12/2013 changeover V2/3 11/12/2013 Macquarie Island summer deployment; 22/01/2014 Casey Station resupply and refuel; Assist trapped tourist vessel from heavy ice V4 29/01/2014 Casey and Davis essential cargo and summer 01/03/2014 personnel retrieval V6 09/03/2014 Mawson resupply, refuel, and changeover 19/04/2014 Note: Voyage 2 and Voyage 3 were combined for operational reasons, and Voyage 5 was conducted with l'Astrolabe instead of RSV Aurora Australis. In 2013/14, the Australian Antarctic shipping season was affected by heavy sea ice persisting throughout the summer in East Antarctica, following a winter season with maximum sea ice extent since satellite records began. Off Mawson Station, fast ice surviving the summer melt season precluded the ship reaching Horseshoe Harbour, which resulted in an additional voyage (V6) necessary to supply the station by helicopter. About this report This report is the third volume of sea ice reports prepared by the Sea Ice Group of the Antarctic Climate & Ecosystems Cooperative Research Centre and Australian Antarctic Division. The first report of this volume is the 11th report for the year 2013. Previous reports are available from the Manager Communications, Antarctic Climate & Ecosystems Cooperative Research Centre (see inside cover for details). About the authors The Sea Ice Group of the Antarctic Climate & Ecosystems Cooperative Research Centre and Australian Antarctic Division consists of research scientists from a broad spectrum of disciplines, including remote sensing, meteorology, oceanography and ecology. Short biographies of the authors of this report can be found on the inside back cover. PAGE | 1 SEA ICE REPORTS - 2013/2014 SEASON 30°S 40°S 50°S 60°S 70°S 170°E 170°E Bluff ! NEW ZEALAND 160°E 160°E " ) MacquarieIsland 150°E 150°E Hobart ! Mertz Glacier 140°E 140°E Produced by the Australian Antarctic Data Centre Data Antarctic Australian the by Produced 14291 No: Catalogue Map 2014. May 2014 Australia of Commonwealth © 130°E 130°E AUSTRALIA Moscow Ice Ice Shelf University 120°E 120°E Totten Glacier Casey Kilometres " ) 110°E 110°E 100°E 100°E ANTARCTICA Ice Ice Shelf Shackleton True scale at True 60°S Projection:Mercator HorizontalDatum: WGS84 0 250 500 750 1000 90°E 90°E West Ice Ice Shelf Ship Australis Aurora L'Astrolabe Australis Aurora Australis Aurora L'Astrolabe Australis Aurora Nathaniel B. Palmer Akademik Shokalskiy AUSTRALIAN ANTARCTIC PROGRAM 2013/14 VOYAGE SEASON VOYAGE 2013/14 PROGRAM ANTARCTIC AUSTRALIAN Davis 80°E 80°E " ) SOUTHERN OCEAN Organisation AAD AAD AAD AAD AAD AAD USA NSF, UNSW Island Heard Kerguelen Islands Ice Shelf 70°E 70°E Amery Mawson " ) 60°E 60°E Year-round Australian station Year-round 1 Voyage MI Voyage 2/3 Voyage 4 Voyage 5 Voyage 6 Voyage Glacier System voyage Totten Antarctic Expedition Australasian 2013-2014 " ) Legend Voyage 50°E 50°E 30°S 40°S 50°S 60°S 70°S PAGE | 2 SEA ICE REPORTS - 2013/2014 SEASON Contents Report # Date Main Focus Page 11/2013 09/10/13 Davis & Casey stations .................................... 6 11a/2013 28/10/13 Davis Station ............................................... 10 12/2013 31/10/13 Davis Station; Commonwealth Bay ....................... 12 12a/2013 31/10/13 Davis Station ............................................... 14 13/2013 07/11/13 Davis Station ............................................... 16 13a/2013 11/11/13 Davis Station; Commonwealth Bay ....................... 18 14/2013 14/11/13 Davis Station ............................................... 20 14a/2013 19/11/13 Davis Station ............................................... 22 15/2013 21/11/13 Davis Station ............................................... 24 15a/2013 25/11/13 Davis Station ............................................... 28 16/2013 28/11/13 Davis Station ............................................... 30 16a/2013 28/11/13 Mawson & Casey stations ................................. 32 16b/2013 29/11/13 Commonwealth Bay ...................................... 34 17/2013 05/12/13 Casey Station; Commonwealth Bay ...................... 36 17a/2013 06/12/13 Mawson Station ........................................... 40 18/2013 12/12/13 Casey Station .............................................. 42 18a/2013 16/12/13 Commonwealth Bay ...................................... 44 19/2013 19/12/13 Casey Station; Commonwealth Bay ...................... 46 19a/2013 22/12/13 Mawson Station ........................................... 48 19b/2013 24/12/13 Casey Station .............................................. 50 20/2013 26/12/13 Casey Station;Mertz Glacier .............................. 52 20a/2013 28/12/13 Mertz Glacier .............................................. 54 20b/2013 29/12/13 Mertz Glacier .............................................. 56 20c/2013 30/12/13 Mertz Glacier .............................................. 58 20d/2013 01/01/14 Mertz Glacier .............................................. 60 01/2014 02/01/14 Mawson & Casey stations; Mertz Glacier ................. 62 01a/2014 03/01/14 Mertz Glacier .............................................. 66 01b/2014 04/01/14 Mertz Glacier .............................................. 68 01c/2014 07/01/14 Mertz Glacier .............................................. 70 01d/2014 07/01/14 Mertz Glacier .............................................. 72 02/2014 09/01/14 Mawson & Casey stations ................................
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